Each book in this set moves through the characteristics, land formations, climate, and species particular to the period, closing with the event that ends the period. Includes 13 books, one for each period on the Time Line. Learn More

The chart, poster, and corresponding picture cards help children classify the living world into five kingdoms: Prokaryote, Protist, Fungus, Animal, and Plant. The chart shows 27 organisms and an evolutionary timeline. Learn More

With the same colorful illustrations and text as the two companion books (Book 1: Paleozoic Era, EM70 and Book 2: Mesozoic Era, Cenozoic Era, EM71) teachers can use these cards to create comprehension activities. 85 cardstock cards; 5½" square. Learn More

Looking at “cosmic hours,” children have another way to grasp the concept of the relative amounts of time it took for Earth to form and for different types of life to develop. Revised in 2014. 15” x 20”. Learn More